Frigidaire FT4BF-KA/B Series, R-410A, Ultra High Efficiency Heat Pump, 16 SEER. FT4BF-KA/B Series now offers the choice of the heat pump that uses a more efficient and environmentally friendly refrigerant designated R-410A. The FT4BF-KA/B Series of heat pumps offers exceptional performance as well as environmental protection. These models, when matched with our variable speed air handlers or variable speed equipped gas furnaces, offer a line of high quality heat pump systems rated up to 16 SEER and 9.0 HSPF.

R-410A Refrigerant - Earth friendly non-ozone depleting refrigerant.

Comfort Alert Module - Detects system and electrical problem conditions. A diagnostics key directs the service technician to the root cause of a problem.

Copeland Scroll UltraTech Compressor - The Ultra Tech Compressor operates with 2 stages of heating and cooling capacities to provide superior comfort and efficiency. Copeland's proven and simple design equates to years of comfort and reliability for the homeowner with virtually silent operation.